ansys - دانشگاه تهرانti > w 1 /w 0 @ *100-temperature =32oc no retarded bedding...

*Email: attarnjd@ut.ac.ir

*

ANSYS

ANSYS

(RCC)

[1 – 3] .Chen

-

RCC

][

][

][

][

-

Miel I Miel I

MCE=0.3 gDBE=0.22 g

][

RCC

Miel I][

Modulus of

elasticity

(GPa)

Ind. Tensile

strength

(MPa)

Compressive

strength

(MPa)

Mix

type

Miel I

][

Miel I

][

0

1

1I0I

TI

(Treatment index in joint shear strength)

100*/ 01 TI

-

Temperature

=32oc

No retarded

bedding

treatment

ACI

(1999).

12-24

Hr

Temperature

=32oc

No retarded

High

pressure

air-water

or water

jet

cleaning

followed

by

bedding

treatment

USACE

(1994).72 Hr

U.S.B.R.

RCD

gpm

US army

Forbes

cw /

ACI 201.2Rcw /

-

-

RCD

RCD

cw /

5.0/ cw

Joint maturity = 80 (c - hr)

2.16

2.2

2.24

2.28

2.32

2.36

0.4 0.5 0.6 0.7 0.8 0.9 1 1.1

W / C

Lift jo

int co

his

ion

(M

Pa

)

cw /

cw /

U.S.Army U.S.B.R.

(1976)

23

1.72

1.31.5

DBE

US. Army

DBE

045

C=0

C=0.33 MPa

C=0.36 MPa

C=0.42 MPa

C=0.8 MPa

-

DBE

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